7. Work done by the gravitational force on a body of mass "m“ moving on a smooth horizon
surface through a distance 's' is
1)mgs
2)-mgs
3)0
4)2mgs
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Work done by the gravitational force on a body of mass "m“ moving on a smooth horizon
surface through a distance 's' is
1)mgs
2)-mgs
3)0 (✔)
4)2mgs
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